Fetches the linker flags and C compiler flags for compiling and linking Ruby binary extensions. The macro substitutes RUBY_VERSION, RUBY_EXT_INC, RUBY_EXT_LIB, RUBY_EXT_CPPFLAGS, RUBY_EXT_LDFLAGS and RUBY_EXT_DLEXT variables if Ruby executable has been found. It also checks the same variables before trying to retrieve them from the Ruby configuration.
RUBY_VERSION: version of the Ruby interpreter RUBY_EXT_INC: Ruby include directory RUBY_EXT_LIB: Ruby extensions destination directory RUBY_EXT_CPPFLAGS: C preprocessor flags to compile extensions RUBY_EXT_LDFLAGS: linker flags to build extensions RUBY_EXT_DLEXT: extensions suffix for ruby modules (e.g. "so")
AX_RUBY_EXT if test x"$RUBY" = x; then AC_ERROR(["cannot find Ruby"]) fi
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Copyright © 2011 Stanislav Sedov stas@FreeBSD.org
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